Holomorphic Functions.- Oka's First Coherence Theorem.- Sheaf Cohomology.- Holomorphically Convex Domains and Oka--Cartan's Fundamental Theorem.- Domains of Holomorphy.- Analytic Sets and Complex Spaces.- Pseudoconvex Domains and Oka's Theorem.- Cohomology of Coherent Sheaves and Kodaira's Embedding Theorem.- On Coherence.- Appendix.- References.- Index.- Symbols.